BE360190A - - Google Patents

Info

Publication number: BE360190A
Authority: BE; Belgium

Application number

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1928-12-20

Publication of BE360190A publication Critical patent/BE360190A/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)

BE360190D 1928-12-20 BE360190A (US20110009641A1-20110113-C00116.png)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB673995X		1928-12-20

Publications (1)

Publication Number	Publication Date
BE360190A true BE360190A (US20110009641A1-20110113-C00116.png)

Family

ID=10491924

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE360190D BE360190A (US20110009641A1-20110113-C00116.png)	1928-12-20

Country Status (2)

Country	Link
BE (1)	BE360190A (US20110009641A1-20110113-C00116.png)
FR (1)	FR673995A (US20110009641A1-20110113-C00116.png)

0
- BE BE360190D patent/BE360190A/xx unknown
1929
- 1929-04-25 FR FR673995D patent/FR673995A/fr not_active Expired

Also Published As

Publication number	Publication date
FR673995A (fr)	1930-01-22

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